Species Account

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Summary Data

Season (Adult / Immature):

National Status: Nb

Local Status: Very rare and very local resident.

Local Record: Grade 4   See here for explanation

Flight time: Jun-Jul.

Forewing: 21-25mm.

Foodplant: Birch, Bog Myrtle among other plants

Regional breakdown:

Year first recorded18832011
Year last recorded18872011
Number of records21
Number of individuals22
Unique positions21
Unique locations21
Adult records21
Immature records00

For the county, we have a total of 3 records from 3 sites. First recorded in 1883.


2149 Silvery Arches 01
© Terry Whitaker, 6 Jul 2011

Species Account

Sutton & Beaumont, 1989: Not recorded since Porritt (1883-86, 1904). In his main list Edlington, Doncaster (VC63) was the only locality given for this species. In the supplement it was reported that a specimen had been found in Huddersfield (VC63) still drying its wings. Porritt suggested it had possibly been introduced as a larva on herbage.

2012 (CHF): NEW VICE-COUNTY RECORD. Two moths were trapped and photographed at Austwick Moss (VC64) on 8.7.2011. A most unexpected find. There have been no recent records of this moth from the north of England though there are old records from the Morecambe bay area and it is still possible there is a small population in this area extending into the west of VC64.

See background to species accounts.  Index of Vernacular names - Search - Random Species